TY  - BOOK
AU  - Jacobson,Willard J.
AU  - Konicer,Richard D.
AU  - Lauby,Cecilia J.
TI  - Investigating in science
U1  - 507.2 
PY  - 1968///
CY  - New York, NY
PB  - Amaerican Book
KW  - Ciencia
KW  - Investigación
ER  -